// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//


#include <pollux/functions/lib/aggregates/compare.h>

namespace kumo::pollux::functions::aggregate {
    int32_t compare(
        const SingleValueAccumulator *accumulator,
        const DecodedVector &decoded,
        vector_size_t index,
        CompareFlags compareFlags) {
        auto result = accumulator->compare(decoded, index, compareFlags);
        POLLUX_USER_CHECK(
            result.has_value(),
            fmt::format(
                "{} comparison not supported for values that contain nulls",
                mapTypeKindToName(decoded.base()->type_kind())));
        return result.value();
    }
} // namespace kumo::pollux::functions::aggregate
